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Yamaha RX-V3800 Receiver - Page 5 Questions & Answers
HTR-3065 Firmware Update
Through an authorised Yamaha Electronics Service Centre.
They are not available to the public as firmware damage may occur and that will destroy your receiver.
Yamaha Rx-V371 will not turn on
It's in protection mode. Disconnect all speakers and hold the Tone and Straight buttons while hitting the power button. Hold all buttons down for 3 to 5 seconds. This will turn off protection mode. Now power down then back on. If you haven't damaged anything it should work fine. Make sure all speaker connections are good. Always power down the unit before making any speaker or other connections.
Yamaha RX-v685 - Surround Sound Issues
If you are in Pro Logic mode and play a stereo recording/film etc, there will be no rear sound.
You need a Pro Logic recording to produce true rear sound.
Yamaha CX-A 5200 protection circuitry has been activated - won't power on
I would get it fixed at a Yamaha Service Centre, as you don't have the test equipment to find which failed component is causing it to shut down and protect itself.
The only thing you might try is looking for bulging or split capacitors. That WOULD cause circuit protection, because they are power stores and smoothers.
How to reset yamaha R-N402 power protection circuit
This is directly from the service manual for the R-N402: Hold the left preset button (<) and the bass (+) button and press the power button and then release. The receiver will disable the power protection and turn on in self-diagnostic mode. My device is working correctly now. :)
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